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Subtract 50/45 from 81/54

1st number: 1 27/54, 2nd number: 1 5/45

81/54 - 50/45 is 7/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 45 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 54 × 5 = 270,
    81/54 = 81 × 5/54 × 5 = 405/270
  3. Likewise, for the 2nd fraction, since 45 × 6 = 270,
    50/45 = 50 × 6/45 × 6 = 300/270
  4. Subtract the two like fractions:
    405/270 - 300/270 = 405 - 300/270 = 105/270
  5. After reducing the fraction, the answer is 7/18

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